CN1258425C - Rotatable tool having replaceable cutting head at chip removing free end of the tool - Google Patents
Rotatable tool having replaceable cutting head at chip removing free end of the tool Download PDFInfo
- Publication number
- CN1258425C CN1258425C CNB028112318A CN02811231A CN1258425C CN 1258425 C CN1258425 C CN 1258425C CN B028112318 A CNB028112318 A CN B028112318A CN 02811231 A CN02811231 A CN 02811231A CN 1258425 C CN1258425 C CN 1258425C
- Authority
- CN
- China
- Prior art keywords
- cutting head
- cutting
- composition surface
- instrument
- composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/02—Twist drills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2205/00—Fixation of cutting inserts in holders
- B23B2205/02—Fixation using an elastically deformable clamping member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/02—Connections between shanks and removable cutting heads
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S408/00—Cutting by use of rotating axially moving tool
- Y10S408/713—Tool having detachable cutting edge
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/03—Processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/78—Tool of specific diverse material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/89—Tool or Tool with support
- Y10T408/909—Having peripherally spaced cutting edges
- Y10T408/9095—Having peripherally spaced cutting edges with axially extending relief channel
- Y10T408/9097—Spiral channel
Abstract
The present invention relates to a rotatable tool having a replaceable cutting head at the chip removing free end of the tool, whereby the tool also comprises a shaft, having a seat, in which the cutting head (3; 203) is intended to be received, that the shaft has members with the help of which chips, generated by the cutting head can be transported away, that the cutting head has members for chip removing machining, preferably of metal, and that the seat and the replaceable cutting head have mutually co-operating portions/surfaces, which extend both in the longitudinal direction of the tool and transverse to the longitudinal direction of the tool. The invention also relates to the cutting head separately. Preferably, the invention relates to a drill or a milling cutter.
Description
Technical field
The present invention relates to have the rotary activated tool of replaceable cutting head at the chip removing free end of instrument, instrument also comprises a bar, this bar has the base that is used for putting therein cutting head, bar has the smear metal that is used for that cutting head is produced and carries the parts of removing, cutting head has the parts of the preferably metal that is used for chip removing machining, and base and replaceable cutting head have the surface of cooperating with each other, it along the axial stretching, extension of instrument and transverse to instrument axially.The present invention also relates to cutting head in addition.Preferably, the present invention relates to drill bit or milling cutter.
Background technology
From US-A-5, known a kind of rotary activated tool that smear metal forms processing that is used in 957,631 with replaceable cutting head, this cutting head is installed on the tool bar with a kind of bayonet coupling.With regard to it, the replaceable cutting head of instrument and bar have the cooperating surfaces that is used to transmit moment of torsion, and the fixation wall that forms dovetail joint when cutting head is installed on the bar.
From US-A-5, knownly in 988,953 a kind ofly be used for instrument that smear metal forms processing, cutting tip and tool body and cutting tip is installed on method on the tool body.Cutting tip is installed on the tool body by means of the bayonet socket hookup.
Summary of the invention
Main purpose of the present invention is an explanation this rotary activated tool defined above, and the surface that wherein is used for the moment of torsion transmission is used as vertically the fixedly surface of replaceable cutting head simultaneously.Therefore, can obtain to have the replaceable cutting head of less axial stretching, extension.
Another object of the present invention is to come replaceable cutting head fixation in addition by a kind of so-called snap-fastener function.
A further object of the invention is by start the each several part of base towards the power of tool focus in one embodiment.Therefore obtain the improvement location of cutting head in base.
Another object of the present invention provides the suitable cooling of cutting head, particularly at its front end surface.
It is to give the simple relatively surface configuration of cutting head manufacturing that the present invention also has the another one purpose, for example, if made by carbide alloy, just finishes by punching press.
Main purpose of the present invention realizes by the rotary activated tool that comprises the feature described in the appended independent claims 1 at least.The preferred embodiments of the present invention limit in the dependent claims.
The present invention relates to a kind of rotary activated tool, it comprises: axle, it limits vertical pivot center, and comprise: the chip area, be used to remove smear metal and vertical front end, it forms a base, this base comprises first composition surface, and this first composition surface extends longitudinally and basically towards axis radially basically; Cutting head, it is connected in described base, and comprise the cutting edge structure, its orientation is set to be formed for carrying out the direction of rotation of cutting operation, also comprise and extending longitudinally basically and basically towards radially second composition surface, this second composition surface and first composition surface engage, so that cutting head is locked onto on the axle in the vertical, and transmit moment of torsion between axle and cutting head; First and second composition surfaces comprise first and second supporting surfaces respectively, they have formed a flat interface together, this interface limits the contact wire when this instrument front end is seen longitudinally, the excircle of this contact wire and cutting head intersects at a point, this contact wire at this some place along stretching out with the radius of crossing this point direction in an acute angle, this contact wire in rotational direction is arranged at the place ahead of the rotation direction of this radius when this instrument carries out cutting operation, wherein, the position of this cutting head can be arranged to: around longitudinal axis when direction is rotated, cutting head and relatively rotating of axle are in stationary state, and around longitudinal axis when another direction is rotated, cutting head and relatively rotating of axle then are not in stationary state; Wherein, the cutting end of this cutting head comprises normal direction front surface forward, and second supporting surface then extends to this front surface.
The present invention relates to a kind of replaceable cutting head, it is installed in the rotating shaft, and this cutting head comprises a main part that defines longitudinal axis, and comprises installation end behind a preceding cutting end and; This installation end comprises a pair of composition surface respect to one another; This cutting end has the cutting edge structure, is used for carrying out the cutting function in this cutting head around this axis when a direction is rotated; This rotation direction is by the orientation definition of cutting edge structure; Each composition surface extends longitudinally and basically towards this axis radially; Each composition surface comprises a supporting surface part, and longitudinally when look in this preceding cutting end, this part limits a line, and the excircle of this line and cutting head intersects at a point; Wherein this line is along stretching out with the radius of crossing this point direction in an acute angle; This line in rotational direction is arranged at the place ahead of the rotation direction of this radius; Wherein, this cutting end comprises normal direction front surface forward, and each supporting surface then extends to this front surface.
The invention still further relates to a kind of rotary activated tool, it comprises: axle, it limits vertical pivot center, and comprise: the chip area, be used to remove smear metal and vertical front end, it forms a base, this base comprises first composition surface, and this first composition surface extends longitudinally and basically towards axis radially basically; Cutting head, it is connected in described base, and comprise the cutting edge structure, its orientation is set to be formed for carrying out the direction of rotation of cutting operation, also comprise and extending longitudinally basically and basically towards radially second composition surface, this second composition surface and first composition surface engage, so that cutting head is locked onto on the axle in the vertical, and transmit moment of torsion between axle and cutting head; First and second composition surfaces comprise first and second supporting surfaces respectively, they have formed a flat interface together, this interface limits the contact wire when this instrument front end is seen longitudinally, the excircle of this contact wire and cutting head intersects at a point, this contact wire at this some place along stretching out with the radius of crossing this point direction in an acute angle, this contact wire in rotational direction is arranged at the place ahead of the rotation direction of this radius when this instrument carries out cutting operation, wherein, the position of this cutting head can be arranged to: around longitudinal axis when direction is rotated, cutting head and relatively rotating of axle are in stationary state, and around longitudinal axis when another direction is rotated, cutting head and relatively rotating of axle then are not in stationary state; Wherein, the cutting end of this cutting head comprises normal direction front surface forward, and second supporting surface then extends to this front surface.
Description of drawings
Below, embodiments of the invention are described with reference to the accompanying drawings, in the drawings:
Fig. 1 shows perspective view according to rotary activated tool of the present invention with the form of auger, and wherein replaceable cutting head is installed on the free end of tool bar;
Fig. 2 shows the free-ended perspective view of bar when replaceable cutting head not being installed;
Fig. 3 shows the side view of bar when replaceable cutting head not being installed;
Fig. 4 shows the plane according to replaceable cutting head of the present invention;
Fig. 5 shows the plane of auger when replaceable cutting head is installed;
Fig. 6 shows the perspective view of auger when according to Fig. 5 cutting head being installed;
Fig. 7 shows the plane of auger when cutting head is installed;
Fig. 8 shows that with the form of core drill wherein replaceable cutting head is installed on the free end of tool bar according to the perspective view of another embodiment of rotary activated tool of the present invention;
Fig. 9 show according to the embodiment of Fig. 8 replaceable cutting head is not installed the time bar the free end perspective view;
Figure 10 shows part perspective view according to the another one embodiment of the bar of rotary activated tool of the present invention with the form of auger with barrel bolt; And
Figure 11 shows that wherein replaceable cutting head is installed in its attached base according to the plane of the embodiment of Figure 10.
The specific embodiment
As shown in fig. 1, auger comprises bar 1 and the replaceable cutting head 3 that is installed on the bar.Bar 1 has two and is used for removing the chip area 5 that 3 pairs of workpiece of cutting head add the smear metal that produces man-hour, only can see a chip area 5 in Fig. 1.Auger also comprises a securing member (not shown) of traditional approach, and it is designed to be disposed in the chuck etc. of lathe.
The base 7 that is arranged in the bar 1 is shown in Fig. 2 and Fig. 3 in more detail, and wherein base 7 is arranged at the end relative with securing member of bar 1.The base 7 of bar 1 comprises a plurality of different surfaces, and they will cooperate with in cutting head 3 is installed on base 7 time to give replaceable cutting head 3 suitable support in optimum mode.Therefore, cutting seat comprises that bottom surface 9 and two radially are placed in the sidewall 10 in end face of its outlet cooling pipe 11 with respect to bar 1.The surfaces opposite to each other of sidewall 10 are usually by protruding and recessed portion is formed, and described part has the axial part that extends axially that is parallel to bar 1.Sidewall 10 has first projection 12 at a center, and its both sides are surrounded by first and second recessed portions 13 and 14 respectively.On one side relative with first projection 12 of first recessed portion 13, sidewall 10 has one second projection 15.On one side away from first recessed portion 13 of second projection 15, first supporting surface 16 is connected with second projection 15, and first supporting surface 16 has one usually towards the inside extension of tool focus.As among Fig. 3 the most significantly shown in, described first supporting surface 16 has an inclination vertically, the reciprocation that its importance will be got in touch between base 7 and the described replaceable cutting head 7 hereinafter is elaborated.Thereby first supporting surface 16 has this inclination vertically forms one less than 90 ° angle by described supporting surface 16 and bottom surface 9 determined Plane intersects.As for the extension inside of first supporting surface 16, should be noted that its extension do not pass the center of auger towards the center.Its importance will be illustrated hereinafter in more detail.
The plane of replaceable cutting head 3 shown in Figure 4, it has two cutting edges 19 and two relative composition surfaces 20, and it has the shape with the surface complementarity of in opposite directions sidewall 10.Therefore, composition surface 20 is generally by protruding and recessed portion is formed, and described these parts have the axial part that extends axially that is parallel to bar 1 in the time of in cutting head 3 is installed on base 7.Therefore, composition surface 20 comprises the 3rd recessed portion 21 that is provided with at the center, and its design is cooperated mutually with first projection 12 of sidewall 10.Except the 3rd recessed portion 21, in the direction outside the circumference of cutting head 3 maximum gauges, composition surface 20 has one the 3rd projection 22, and it is preset as lucky first recessed portion 13 corresponding to sidewall 10.Except the 3rd projection 22, in the direction outside the circumference of cutting head 3 maximum gauges, composition surface 20 has one the 4th recessed portion 23, and it is preset as lucky second projection 15 corresponding to sidewall 10.Except the 4th recessed portion 23, in the direction outside the circumference of cutting head 3 maximum gauges, the composition surface has one second supporting surface 24, and its design is cooperated mutually with second supporting surface 16 of sidewall 10.Corresponding to first supporting surface 16, second supporting surface 24 has an extension inside towards the center usually in the time of in cutting head 3 is installed on base 7.The 3rd recessed portion 21 except the center setting, on its one side relative with the 3rd projection 22, composition surface 20 has one the 5th recessed portion 25, and the 5th recessed portion 25 that is in the installation site of cutting head 3 assigns to be provided with corresponding to the central part of second recessed portion 14 just.Except the 5th recessed portion 25, on one side relative with the 3rd recessed portion 21, composition surface 20 has one the 4th projection 26, and its installation site that is in cutting head 3 is come just corresponding to second recessed portion, 14 outmost parts.
In Fig. 5 and 6, the centre position that cutting head 3 is installed is shown in base 7.In this connection, cutting head 3 axially is inserted in the base 7, and the 5th recessed portion 25 is provided with corresponding to first projection 12 just, and the 4th projection is provided with corresponding to second recessed portion 14 just.About this point, should be noted that centre position according to Fig. 5 and 6, between part positioned opposite to each other just, do not produce suitable abutment, but between relative part, always exist certain clearance to rotate with respect to base 7 to allow cutting head 3.After cutting head 3 rotates, the 3rd recessed portion 21 that is in cutting head 3 centers will nestle up first projection 12 that is in sidewall 10 centers, the 3rd projection 22 of cutting head 3 will be positioned at first recessed portion, 13 parts of corresponding sidewall 10 just, the 4th projection 26 that the 4th recessed portion 23 of cutting head 3 will be positioned at second projection, 15 parts of corresponding sidewall and cutting head 3 just will be positioned at second recessed portion, 14 parts of corresponding sidewall 10 just, and the 5th recessed portion 25 of cutting head 3 will be positioned at the core part of second recessed portion 14 of corresponding sidewall 10 just, that is to say, so because the both is that concave surface forms described part 25, groove between 14.
When cutting head 3 turns to its final position inwardly fully, second supporting surface 24 of cutting head 3 also will be close proximity to first supporting surface 16 of sidewall 10.Because first supporting surface 16 has inclination vertically and second supporting surface has the corresponding inclination in the installation site of cutting head 3, so described inclination can stop cutting movement to be inserted into outside base 7 axial when supporting surface 16 and 24 is in contact with one another.As shown in Figure 7, the contact wire between first supporting surface 16 and second supporting surface 24 is not positioned on the radius R that passes contact wire 16/24 and the intersection point of the circumference of the maximum gauge of cutting head 3 of auger.The direction of contact wire 16/24 is that it increases along inside direction towards the auger center to the distance of radius R, and in addition, contact wire 16/24 is positioned at the side of direction of rotation of the instrument that at first enters of radius R, referring to Fig. 7.The power that second supporting surface 24 that this means cutting head 3 puts on first supporting surface 16 of sidewall 10 can cause that the certain masterpiece towards the auger center is used for sidewall 10.This means sidewall 10 constrictions around cutting head 3, this has advantageously promoted the suitable clamp of cutting head 3 between sidewall 10.Thus, should be mentioned in that at supporting surface 16 suitable contacting at first to be arranged with 24.From some aspect, not setting up suitable contacting between some protrusions of composition surface 20 and sidewall 10 and recessed portion perhaps is an advantage.Therefore, the danger of overdetermination will reduce.But, in order to realize the suitable clamp of cutting head 3 in base 7, need produce between first supporting surface 16 at second supporting surface 24 of cutting head 3 and sidewall simultaneously and dock producing butt joint between first projection 12 of the 3rd recessed portion 21 of cutting head 3 and sidewall 10 at least usually.
For with cutting head 3 manual being installed in the base 7, need a voussoir, it can be shaped with several diverse ways.Offer 3 one moments of torsion of cutting head, make the 5th recessed portion 25 of cutting head 3 and first projection 12 that the protrusion transition portion between the 3rd recessed portion 21 exceeds sidewall 10 by means of described voussoir moment of torsion.Relevant with the described projection that exceeds mutually, sidewall 10 little deflection can occur usually, still, makes them be returned to its original position after cutting head 3 is installed on its final position thereby the material of described sidewall 10 has elasticity.Reciprocation based on pressure between the above-mentioned supporting surface 16 and 24 also helps sidewall 10 to be returned to its original position.
If it is favourable that the corresponding recessed portion of first projection 12 of sidewall 10 and replaceable cutting head 3 is not in relative just position in replaceable cutting head is installed on base 7 time.First projection 12 will apply precompression on replaceable cutting head 3, and this guarantees that the supporting surface 24 of cutting head 3 is pressing the supporting surface 16 of bar 1.
When after cutting head 3 exhausts, it being dismantled, just rotate cutting head 3 towards direction opposite when installing.Also use voussoir to carry out hand disassembly in this case.Load onto the cutting head 3 of a new not loss then with said method.
According to the selection embodiment of rotary activated tool of the present invention, as shown in Fig. 8 and 9, about core drill, wherein the main difference of it and auger is that the smear metal that cutting head 3 is produced removes by tubular axis 101.
According to first-selected embodiment of the present invention, replaceable cutting head 3 used in the auger shown in the core drill shown in Fig. 8 and 9 and Fig. 1-7 is same.The shaping of base 7 in core drill is with different in auger.Therefore, the base 7 of core drill does not have the bottom surface, but a cylindrical pin 109 is formed its next support in cutting head 3 is installed on base 7 time.
Two sidewalls of radially settling 110 of the bar 101 of core drill are compared with the sidewall 10 of auger some different design.As finding out the most significantly in Fig. 9, the surface that turns to sidewall 110 each other is generally by protruding and recessed portion is formed, and described these parts have the axial part that extends axially that is parallel to bar 101.Sidewall 110 has first projection 112 that is positioned at the center, and its both sides are surrounded by first and second recessed portions 113 and 114 respectively.On one side of first recessed portion 113 relative with first projection 112, first supporting surface 116 is connected in first recessed portion, 113, the first supporting surfaces 116 and has one usually towards the inside extension of tool focus.Described first supporting surface 116 have with according to the identical inclination vertically of first supporting surface 16 of the embodiment of Fig. 1-7.Therefore will be with reference to describing the content of first supporting surface, 16 designs with the relevant portion of function.
It is basic identical with the installation in the base 7 of auger that the method for replaceable cutting head 3 is installed in the base 107 of core drill, therefore can be with reference to the description of the above relevant portion of installing in base 7 about cutting head 3.The method of same dismounting is also with basic identical according to the embodiment of Fig. 1-7.
In Figure 10 and 11, with the form of auger additional selection embodiment according to rotary activated tool of the present invention is shown, its king-rod 201 has two sidewalls of radially settling 210, and it has an axial part that extends axially that is parallel to instrument.First projection that is in sidewall 210 centers replaces barrel bolt 212 usually, and it designs the recessed portion cooperation with replaceable cutting head 203 when cutting head 203 is installed in the base 207 at last in according to the embodiment of Figure 10 and 11.
Corresponding to above-mentioned sidewall 10,110, the sidewall 210 among Figure 10 and 11 has one first and second recessed portion 213 and 214 respectively on the both sides of first projection/barrel bolt 212.Because barrel bolt 212 has an axial groove, so it is more more suitable than the projection 12,112 of the foregoing description.Its importance finds expression in the installation and removal of replaceable cutting head in base.Sidewall 210 also has first supporting surface 216, and 16,116 its inclinations that have are vertically fallen down from base 207 unintentionally to prevent cutting head 203 corresponding to supporting surface.
Cutting head 203 when being installed in the base 207 shown in Figure 11, cutting head 203 is compared with cutting head 3 some different design.Two composition surfaces 220 have the 3rd recessed portion 221 that is positioned at the center, and its design is cooperated mutually with first projection 212 of sidewall 210.Except the 3rd recessed portion 221, in the direction outside the circumference of cutting head 203 maximum gauges, composition surface 220 has one the 3rd projection 222, its default next lucky first recessed portion 213 corresponding to sidewall 210.In the installation site of cutting head 203, recessed portion 213 will provide cooling liquid to cutting head 203 as a cooling pipe.Relevant with the circumference of cutting head 203, composition surface 220 has one second supporting surface 224, and its design is cooperated mutually with first supporting surface 216 of sidewall 210.Corresponding to first supporting surface 216, second supporting surface 224 has one usually towards the inside extension of tool focus in the time of in cutting head 203 is installed on base 207.Relevant with the core of cutting head 203, composition surface 220 has one the 4th projection 226, and its installation site that is in cutting head 203 is come just corresponding to second recessed portion, 214 outmost parts.
In embodiment according to Figure 10 and 11, if in replaceable cutting head 203 is installed on base 207 time corresponding recessed portion of barrel bolt 212 and replaceable cutting head 203 not just mutually corresponding the installation be favourable.Barrel bolt 212 will apply a precompression makes cutting head 203 on replaceable cutting head 203 supporting surface 224 and be pressed against supporting surface 216 according to the bar 201 of Figure 10.
Feasible modifications of the present invention
Being installed on arbitrary cutting edge 19,219 on the cutting head 3,203 can form the single-piece of cutting head 3,203 or constitute independent part and for example be connected in top 3,203 by thermal weld.If cutting edge 19,219 combines with cutting head 3,203, it is preferably made by carbide alloy, pottery or other harder material.Cutting head also can be made by synthetic material, and promptly its top layer is made up of hard material and core is made up of soft material.If cutting edge is installed on the independent cutting insert, the remainder of cutting head can be made by suitable steel grade so.
The quantity of cutting edge within the scope of the invention can be different.In the above-described embodiments, the quantity of cutting head is two (2), but within the scope of the invention, mainly also expects more cutting edge.
In the above-described embodiments, sidewall 10,110,210 has from beginning until the free-ended extension of instrument.But the free end that cutting head is designed to the instrument that covers also is feasible within the scope of the invention.
In order to promote the compliance of sidewall 10,110,210, can give bar 1,101 configurations one or more groove cracks with the part of extending axially.
In the above-described embodiments, the opening in the end face of cooling pipe or sidewall 10,110 is shaped to the recessed portion 213 in the sidewall 210.But other design of cooling pipe also is feasible within the scope of the invention, and should be mentioned in that in the case for specific application tool not to need cooling pipe.
The reference number table
1; 101; 201 bars
3; 203 cutting head
5; 105; 205 chip areas
7; 107; 207 bases
9 bottom surfaces
109 cylindrical pins
10; 110; 210 sidewalls
11; 111 cooling pipes
12; 112 first projections
212 barrel bolts
13; 113; 213 first recessed portions
14; 114; 214 second recessed portions
15 second projections
16; 116; 216 first supporting surfaces
19; 219 cutting edges
20; 220 composition surfaces
21; 121; 221 the 3rd recessed portions
22; 122; 222 the 3rd projections
23 the 4th recessed portions
24; 124; 224 second supporting surfaces
25 the 5th recessed portions
26; 226 the 4th projections
Claims (13)
1. rotary activated tool, it comprises:
Axle, it limits vertical pivot center, and comprises:
The chip area, be used to remove smear metal and
Vertical front end, it forms a base, and this base comprises first composition surface, and this is first years old
The composition surface extends longitudinally and basically towards axis radially basically;
Cutting head, it is connected in described base, and comprise the cutting edge structure, its orientation is set to be defined for the direction of rotation of carrying out cutting operation, also comprise and extending longitudinally basically and basically towards radially second composition surface, this second composition surface and first composition surface engage, so that cutting head is locked onto on the axle in the vertical, and transmit moment of torsion between axle and cutting head;
First and second composition surfaces comprise first and second supporting surfaces respectively, they have formed a flat interface together, this interface limits the contact wire when this instrument front end is seen longitudinally, the excircle of this contact wire and cutting head intersects at a point, this contact wire at this some place along stretching out with the radius of crossing this point direction in an acute angle, this contact wire in rotational direction is arranged at the place ahead of the rotation direction of this radius when this instrument carries out cutting operation, wherein, the position of this cutting head can be arranged to: around longitudinal axis when direction is rotated, cutting head and relatively rotating of axle are in stationary state, and around longitudinal axis when another direction is rotated, cutting head and relatively rotating of axle then are not in stationary state;
Wherein, the cutting end of this cutting head comprises normal direction front surface forward, and second supporting surface then extends to this front surface.
2. as the instrument in the claim 1, it is characterized in that, first and second composition surfaces also comprise the projection and the recessed portion of longitudinally looking to the front end of this instrument, under the stationary state of cutting head, the projection on first composition surface and recessed portion respectively with the recessed portion and the projection on second composition surface.
3. instrument as claimed in claim 1, it is characterized in that, described flat interface is formed by first and second supporting surfaces on first and second composition surfaces respectively, first supporting surface part tilts with respect to pivot center from looking perpendicular to the direction of axis, prevents vertical undercutting that this cutting head is longitudinally separated with this with formation.
4. instrument as claimed in claim 3 is characterized in that, base comprises a bottom surface that is engaged by cutting head.
5. instrument as claimed in claim 1, it is characterized in that, first composition surface is toward each other and is arranged in a pair of first composition surface on the vertically outstanding forward wall of this front end edge one, second composition surface then be with first composition surface in a pair of second composition surface that is oppositely arranged of re-spective engagement face in one.
6. instrument as claimed in claim 1, it is characterized in that, the stationary state that first composition surface is included in cutting head down and the projection that is oppositely arranged of the recessed portion on second composition surface, and the female part and projection comprise the surface portion of mutual butt joint, break away from the rotation of stationary state to stop cutting head.
7. instrument as claimed in claim 6 is characterized in that this ledge is formed by the elastically deformable tubular pin.
8. replaceable cutting head, it is installed in the rotating shaft, and this cutting head comprises a main part that defines longitudinal axis, and comprises installation end behind a preceding cutting end and; This installation end comprises a pair of composition surface respect to one another; This cutting end has the cutting edge structure, is used for carrying out the cutting function in this cutting head around this axis when a direction is rotated; This rotation direction is by the orientation definition of cutting edge structure; Each composition surface extends longitudinally and basically towards this axis radially; Each composition surface comprises a supporting surface part, and longitudinally when look in this preceding cutting end, this part limits a line, and the excircle of this line and cutting head intersects at a point; Wherein this line is along stretching out with the radius of crossing this point direction in an acute angle; This line in rotational direction is arranged at the place ahead of the rotation direction of this radius; Wherein, this cutting end comprises normal direction front surface forward, and each supporting surface then extends to this front surface.
9. as the replaceable cutting head in the claim 8, it is characterized in that each composition surface also comprises the projection and the recessed portion of longitudinally looking to this installation end.
10. as the replaceable cutting head in the claim 9, it is characterized in that, look that each supporting surface part tilts with respect to pivot center, to form vertical undercutting from direction perpendicular to axis.
11. the replaceable cutting head as in the claim 8 is characterized in that, looks from the direction perpendicular to axis, each supporting surface part tilts with respect to pivot center, to form vertical undercutting.
12. a rotary activated tool, it comprises:
Axle, it limits vertical pivot center, and comprises:
The chip area, be used to remove smear metal and
Vertical front end, it forms a base, and this base comprises first composition surface, and this first composition surface extends longitudinally and basically towards axis radially basically;
Cutting head, it is connected in described base, and comprises and extending longitudinally basically and basically towards second composition surface radially, this second composition surface and first composition surface engage, so that cutting head is locked onto on the axle in the vertical, and between axle and cutting head, transmit moment of torsion;
First and second composition surfaces comprise first and second supporting surfaces respectively, they have formed a flat interface together, this interface limits the contact wire when this instrument front end is seen longitudinally, the excircle of this contact wire and cutting head intersects at a point, this contact wire at this some place along stretching out with the radius of crossing this point direction in an acute angle, this contact wire in rotational direction is arranged at the place ahead of the rotation direction of this radius when this instrument carries out cutting operation, wherein, the position of this cutting head can be arranged to: around longitudinal axis when direction is rotated, cutting head and relatively rotating of axle are in stationary state, and around longitudinal axis when another direction is rotated, cutting head and relatively rotating of axle then are not in stationary state;
Wherein, the cutting end of this cutting head comprises normal direction front surface forward, and second supporting surface then extends to this front surface.
13. the instrument as claim 12 is characterized in that, this ledge is formed by the elastically deformable tubular pin.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0101965A SE523205C2 (en) | 2001-06-06 | 2001-06-06 | Rotatable tool with interchangeable cutting tip at the tool's cutting end free end |
| SE01019652 | 2001-06-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1512927A CN1512927A (en) | 2004-07-14 |
| CN1258425C true CN1258425C (en) | 2006-06-07 |
Family
ID=20284353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028112318A Expired - Fee Related CN1258425C (en) | 2001-06-06 | 2002-05-31 | Rotatable tool having replaceable cutting head at chip removing free end of the tool |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6840717B2 (en) |
| EP (1) | EP1273373B1 (en) |
| JP (1) | JP2004527391A (en) |
| KR (1) | KR100952097B1 (en) |
| CN (1) | CN1258425C (en) |
| DE (1) | DE60233917D1 (en) |
| SE (1) | SE523205C2 (en) |
| WO (1) | WO2002098590A1 (en) |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10207257B4 (en) * | 2002-02-21 | 2021-02-18 | Kennametal Inc. | Rotary cutting tool with exchangeable cutting insert |
| IL162147A (en) * | 2004-05-24 | 2008-03-20 | Gil Hecht | Drill with releasably mounted cutting head |
| IL164888A (en) * | 2004-10-28 | 2009-07-20 | Iscar Ltd | Cutting tool assembly and cutting head therefor |
| WO2007039949A1 (en) * | 2005-10-03 | 2007-04-12 | Mitsubishi Materials Corporation | Boring tool and method of boring pilot hole |
| SE530191C2 (en) * | 2006-10-26 | 2008-03-25 | Seco Tools Ab | Cutting element made of cemented carbide with friction surface for mounting wrench |
| DE102007050471A1 (en) * | 2007-10-23 | 2009-04-30 | MAPAL Fabrik für Präzisionswerkzeuge Dr. Kress KG | Tool for machining workpieces |
| RU2490098C2 (en) * | 2008-04-03 | 2013-08-20 | Кеннаметал Инк. | Rotary tool, in particular, drill |
| SE532280C2 (en) * | 2008-04-14 | 2009-12-01 | Seco Tools Ab | Tools, tool body and cutting head |
| US7625161B1 (en) | 2008-08-08 | 2009-12-01 | Kennametal Inc. | Rotary cutting tool assembly and cutting insert and tool shank therefor |
| CN101502927B (en) * | 2008-12-31 | 2011-03-23 | 东莞市微创工具科技有限公司 | Method for preparing grinding-free drill head and drill head |
| DE102009044994A1 (en) | 2009-03-18 | 2010-09-23 | Gühring Ohg | Cutting tool with replaceable cutting insert |
| SE533851C2 (en) | 2009-06-23 | 2011-02-08 | Sandvik Intellectual Property | Drilling tools for chip separating machining as well as loose stop and basic body for this |
| SE533853C2 (en) * | 2009-06-23 | 2011-02-08 | Sandvik Intellectual Property | Drilling tools for chip separating machining and release stop for this |
| SE533850C2 (en) * | 2009-06-23 | 2011-02-08 | Sandvik Intellectual Property | Loop stop type drilling tools |
| DE102009044995B8 (en) | 2009-09-24 | 2021-07-22 | Gühring KG | Cutting insert carrier, cutting insert and rotary driven cutting tool |
| SE534648C2 (en) | 2010-03-26 | 2011-11-08 | Sandvik Intellectual Property | Rotatable tool for chip separating machining as well as loose stop and basic body for this |
| DE102012212146B4 (en) * | 2012-07-11 | 2024-02-01 | Kennametal Inc. | Coupling point for a modular rotary tool and tool head and carrier for such a modular rotary tool |
| DE102013205889B3 (en) | 2013-04-03 | 2014-05-28 | Kennametal Inc. | Coupling structure e.g. cutting head for rotary tool e.g. drilling tool, has coupling pin with clamping faces and stop surfaces that are arranged in different dispensing areas |
| DE102013220884B4 (en) | 2013-10-15 | 2022-02-17 | Kennametal Inc. | Modular carrier tool and tool head |
| KR101509954B1 (en) * | 2013-10-29 | 2015-04-07 | 한국야금 주식회사 | Cutting insert and Indexable Drill |
| DE102014206796B4 (en) | 2014-04-08 | 2020-10-15 | Kennametal Inc. | Rotary tool, in particular drill and cutting head for such a rotary tool |
| CN104759664A (en) * | 2015-04-21 | 2015-07-08 | 成都锋宜精密工具制造有限公司 | Self-locking type head-replaceable carbide drill |
| DE102015211744B4 (en) | 2015-06-24 | 2023-07-20 | Kennametal Inc. | Rotary tool, in particular a drill, and cutting head for such a rotary tool |
| USD798922S1 (en) | 2015-10-07 | 2017-10-03 | Kennametal Inc. | Cutting head for rotary drill |
| US9937567B2 (en) | 2015-10-07 | 2018-04-10 | Kennametal Inc. | Modular drill |
| US10071430B2 (en) | 2015-10-07 | 2018-09-11 | Kennametal Inc. | Cutting head, rotary tool and support for the rotary tool and for the accommodation of the cutting head |
| USD798921S1 (en) | 2015-10-07 | 2017-10-03 | Kennametal Inc. | Cutting head for modular drill |
| DE102017204452B4 (en) * | 2017-03-16 | 2022-02-17 | Kennametal Inc. | rotation tool |
| US10799958B2 (en) | 2017-08-21 | 2020-10-13 | Kennametal Inc. | Modular rotary cutting tool |
| US10843221B2 (en) * | 2018-11-06 | 2020-11-24 | The Boeing Company | System and method for a coating device |
| CN112077370A (en) | 2019-06-13 | 2020-12-15 | 肯纳金属印度有限公司 | Indexable drill insert |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT286064B (en) * | 1968-01-04 | 1970-11-25 | Hawera Hartmetall Werkzeugfarb | Twist drill |
| JPH0354444A (en) * | 1989-07-24 | 1991-03-08 | Seiko Epson Corp | Humidity sensor element |
| JPH11500967A (en) * | 1995-03-03 | 1999-01-26 | コメート プレツィジオーンスヴェルクツォイゲ ローベルト ブロイニング ゲゼルシャフト ミット ベシュレンクテル ハフツング | Drilling tool |
| SE511429C2 (en) | 1996-09-13 | 1999-09-27 | Seco Tools Ab | Tools, cutting part, tool body for cutting machining and method of mounting cutting part to tool body |
| IL120948A0 (en) | 1997-05-29 | 1997-09-30 | Iscar Ltd | Cutting tool assembly |
| IL123858A (en) * | 1998-03-27 | 2003-05-29 | Iscar Ltd | Drilling head |
| DE19834635C2 (en) * | 1998-07-31 | 2001-07-26 | Guehring Joerg | Drilling tool with an exchangeable cutting insert that is secured against loosening |
| US6315504B1 (en) | 1998-10-27 | 2001-11-13 | Nachi-Fujikoshi Corporation | Twist Drill |
| JP2000198011A (en) * | 1998-10-27 | 2000-07-18 | Nachi Fujikoshi Corp | Twist drill |
| DE29904056U1 (en) * | 1999-03-05 | 1999-06-02 | Drebo Werkzeugfab Gmbh | Stone drill |
| CA2379637A1 (en) * | 1999-08-03 | 2001-02-08 | Kennametal Inc. | Drill bit having a replaceable cutting head |
| JP3972549B2 (en) | 2000-01-20 | 2007-09-05 | 井関農機株式会社 | Washed rice cooker |
| US20060012881A1 (en) * | 2000-05-25 | 2006-01-19 | Atomic Telecom | Atomic layer controlled optical filter design for next generation dense wavelength division multiplexer |
| DE10042990A1 (en) * | 2000-09-01 | 2002-03-28 | Kennametal Inc | Run-out cutting tool, e.g. B. drills |
| US6485235B1 (en) * | 2001-05-08 | 2002-11-26 | Allied Machine & Engineering Corp. | Cutting tool assembly with replaceable cutting head |
| US6506003B1 (en) * | 2001-10-02 | 2003-01-14 | Kennametal Inc. | Cutting tool |
-
2001
- 2001-06-06 SE SE0101965A patent/SE523205C2/en not_active IP Right Cessation
-
2002
- 2002-05-31 EP EP02445070A patent/EP1273373B1/en not_active Expired - Lifetime
- 2002-05-31 DE DE60233917T patent/DE60233917D1/en not_active Expired - Lifetime
- 2002-05-31 WO PCT/SE2002/001043 patent/WO2002098590A1/en active Application Filing
- 2002-05-31 JP JP2003501620A patent/JP2004527391A/en active Pending
- 2002-05-31 KR KR1020037015824A patent/KR100952097B1/en not_active IP Right Cessation
- 2002-05-31 CN CNB028112318A patent/CN1258425C/en not_active Expired - Fee Related
- 2002-06-05 US US10/161,640 patent/US6840717B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| KR20040012892A (en) | 2004-02-11 |
| SE523205C2 (en) | 2004-04-06 |
| KR100952097B1 (en) | 2010-04-13 |
| WO2002098590A8 (en) | 2004-04-22 |
| EP1273373B1 (en) | 2009-10-07 |
| WO2002098590A1 (en) | 2002-12-12 |
| SE0101965D0 (en) | 2001-06-06 |
| DE60233917D1 (en) | 2009-11-19 |
| EP1273373A1 (en) | 2003-01-08 |
| US20030002932A1 (en) | 2003-01-02 |
| SE0101965L (en) | 2002-12-07 |
| US6840717B2 (en) | 2005-01-11 |
| CN1512927A (en) | 2004-07-14 |
| JP2004527391A (en) | 2004-09-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1258425C (en) | Rotatable tool having replaceable cutting head at chip removing free end of the tool | |
| CN1206074C (en) | Rotatable tool having replaceable tip at chip removing free end of tool | |
| CN1287746C (en) | Surgical reamer | |
| CN1100633C (en) | Cutting tool assembly and replaceable cutting head for use therein | |
| CN1187155C (en) | Tool coupling device | |
| CN1747807A (en) | Rotatable cutting tool with cutting inserts for chip removing machining | |
| CN1326653C (en) | Shank milling cutter having a wiper radius | |
| CN1043677C (en) | Drill, especially drilling screw | |
| CN1522183A (en) | Cutting tool and cutting insert therefor | |
| CN101058122A (en) | A tool for chip removing machining as well as a part and threaded joint therefor | |
| CN1572399A (en) | Cutting insert for turning and milling | |
| CN1638901A (en) | Metal cutting tool | |
| CN1328494A (en) | Tool for cutting machining | |
| CN1956813A (en) | Drill with releasably mounted cutting head | |
| CN1459349A (en) | Cutter blade with multiple edges | |
| CN1741872A (en) | Tool coupling for rotary tools | |
| CN1955383A (en) | Cutting tooth for earth working equipment | |
| CN1616167A (en) | A cutting tool, a part thereof, as well as a method for the manufacture of such a cutting tool | |
| CN1308107C (en) | Tool for chip removing machining having a wedge-actuated insert adjustment mechanism | |
| CN1926351A (en) | Flexible transmission shaft | |
| CN101041190A (en) | Drill, wall protector and drilling method | |
| CN1319690C (en) | Tool coupling for rotating tools | |
| CN1468678A (en) | Cutting processing device | |
| CN1917979A (en) | Cutting tool and insert with serrated contact surfaces between holder and insert | |
| CN1509834A (en) | Hobbing blade with cuttings control and hobbing therewith |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: SANDVIK INTELLECTUAL PROPERTY Free format text: FORMER OWNER: SANDVIK AB Effective date: 20050722 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20050722 Address after: Sandviken Applicant after: Sandvik Intellectual Property Address before: Sandviken Applicant before: Sandvik AB |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20051209 Address after: Sandviken Applicant after: Sandvik Sandvik Intellectual Property Co., Ltd. Address before: Sandviken Applicant before: Sandvik Intellectual Property |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060607 Termination date: 20180531 |